#VU97809 Improper locking in Linux kernel - CVE-2024-46867

Vulnerability identifier: #VU97809

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-46867

CWE-ID: CWE-667

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the show_meminfo() function in drivers/gpu/drm/xe/xe_drm_client.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.10, 6.10.1, 6.10.2, 6.10.3, 6.10.4, 6.10.5, 6.10.6, 6.10.7, 6.10.8, 6.10.9, 6.10.10

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External links
https://git.kernel.org/stable/c/9d3de463e23bfb1ff1567a32b099b1b3e5286a48
https://git.kernel.org/stable/c/9bd7ff293fc84792514aeafa06c5a17f05cb5f4b
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.